Pathogen Host Interations Flashcards
0
Q
What is the parasite theory of sex?
A
Pathogens and parasites more often than not have a shorter generation time than their host
1
Q
What are pathogens?
A
- micro parasites
- macroparasites
2
Q
What is toxoplasma gondii?
A
- can infect almost all mamals
- cats are most definitive host
- dangerous to pregnant women
- many have pervasive effects on humans including sex differences in how it affects psychology
3
Q
What are strategies to avoid infection?
A
- considered energy balance
- ifs bad to be dead
- both the pathogen and the defence cause damage
- parasites load reduce dominance
- pathogens make you more susceptible to other pathogens
4
Q
Explain how you could avoid macroparasites?
A
- foraging away from feaces or selectively deficating
- grooming and or preening
- fly repelling behaviour
Lining nests with plants toxic to parasites
5
Q
How do you avoid microparasites?
A
- grooming
- wound cleaning
- conditioned food aversions
6
Q
What is controlled exposure to pathogens?
A
- early life infants under the immunological umbrella of the mother
- carnivores expose their infants to small amounts of environmental pathogens
- some primates encourage member of the group to handle infant
7
Q
What is sickness behaviour?
A
- fever response
- sick animals
8
Q
What is sexual selection?
A
- attractiveness may indicate pathogen resistance
- scarification and tattooing
9
Q
What is the psychological immune system?
A
- disgust may be a uniquely human emotion
- some elicitors of disgust similar across society
- taxonomy of disgust
10
Q
Are parasites good for us?
A
Our immune systems evolved with pathogens and parasites
11
Q
What is jasper Lawrence helminth therapy?
A
Natures most powerful probiotic